#include<iostream>
#include<string.h>
using namespace std;


int count_word(char word[]){
	int n=0;
	while(word[n]!='\0'){
		n++;
	}
	return n;
	
}

int main() {

	char word[100];
	int n;
	
	cin>>word;
	n = count_word(word);
	cout<<n;
	
	
	return 0;

}
